Tram for roller grinding-mills.



No. 635,528. 7 Patented Oct. 24, I899.

D. M. CAREY.

(Application filed Mar. 24,1899.)

(No Model.)

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DOUGLAS M. CAREY, OF ENID, OKLAHOMA TERRITORY.

TRAM FOR ROLLER GRINDING-MILLS.

SPECIFICATION forming part of Letters Patent No. 635,528, dated October24, 1899.

Application filed March 24,1899.

To all whom it Uta/y concern:

Be it known that I, DOUGLAS M. CAREY, a citizen of the United States,residing at Enid, in the county of Garfield and Territory of Oklahoma,have invented certain new and useful Improvementsin Trams for RollerGrinding- Mills, of which the following is a specification, referencebeing had therein to the accompanying drawings.

This invention has relation to means for adj usting the leveling-rollersin grinding-mills and like machinery; and it consists in the novelconstruction and combination and arrangement of parts of which it iscomposed, all as will be hereinafter fully explained, and particularlypointed out in the appended claims.

The annexed drawings, to which reference is made, fully illustrate myinvention, in which- Figure 1 represents an edge view of my deviceapplied to a pair of grinding-rollers. Fig. 2 is a plan view of the samedetached from the rollers. Fig. 3 is avertical sectional View of thesame, and Fig. 4 is a detailed view show- 7 ing one of the adjustableplates.

Referring by letter to the accompanyingdrawings, A designates a wheel,or disk may be employed instead, which is provided with a centralperforation a, through which is loosely passed the stem 1) of a handle0, and which stem serves as a journal or axle, on which said Wheelrevolves horizontally.

B designates a flat bar which is bent downwardly at right angles to themain portion and is provided with a central female-threaded opening d,in which is screwed the end 6 of the stem aforesaid, thus interposingthe wheel between the shoulder fof the handleand the bar B. The bentends of the bar are perforated, and are provided with thumbscrews 9 g,which engage in horizontally-arranged slots h in a pair of plates 2' t'.The ends j j are curved to correspond with and en-. gage the surfaces ofthe adjacent rollers, as shown in Fig. 1 of the drawings.

It will thus be observed from the above description,'when taken inconnection with the drawings, that my device is portable and can bemoved from one set of rollers to'another, and in testing, gaging, 0rleveling the rollers the device is laid upon the upper surface ofSerial. No. 710,288. (No model.)

a pair of rollers with the adjustable plates spanning the space betweenthem (shown in Fig. 1) and bearing upon the surface thereof while therollers are in motion, thus providing means whereby the rollers may beleveled to correspond with one another without stopping the mill forthis purpose, and such training or leveling of the rollers gives betterresults than if the mill were brought to a standstill.

In testing the rollers the operator, after placing my device inposition, can readily discover whether either end of the rollers ishigher than the opposite roller, and if such be the case it isimmediately detected by the operator in that the wheel or disk revolves,because under such circumstances only one roller engages the wheel A.The false end of the roller may then be raised or lowered, as

the case may be, thus bringing the two rollers parallel with oneanother, and should the test prove that both rollers are running trueand are perfectly parallel to one another the wheel or disk remainsstationary.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is 1 1. A testing device for grinding rollers,whereby the rollers are detected when out of alinement,consisting of thehorizontally-revm luble diskor wheel and a gage-bar arranged below saidwheel, the wheel adapted to be laid upon the rollers, with the gage-barbetween them, for the purpose specified.

2. A detector applicable to grinding-mills, whereby the non-alinement ofthe rollers may be detected, consisting of a portable disk,

loosely arranged upon a vertical axle, a handlefor the axle and a gagesecured to said axle below the disk and adjustable plates arranged atright angles to said disk, and the latter as well'as the former adaptedto bear upon the surfaces of the rollers, all substan tially asdescribed.

3. In a gage for roller grinding-mills, the combination of a wheelprovided-with a ecutral opening, a stem j ournaled in the opening andformed with a handle on its upper end, a cross-bar, on the lower end ofthe stem, having its ends bent downward at right angles, plates 2',formed with slots 71. on the-bent ends of the cross-bar, andclamping-screws through the parts to hold the said ends and the plates 1tached to these ends and held in position by 10 together, substantiallyas described. the thu nib-screws, all substantially as de- 4. In adevice for gaging the rollers 0f grindscribed. ing-mills, theWithin-described gage and test- In testimony whereof I have affixed mysiging device, comprising the liorizontally-renature in presence of twoWitnesses. volving disk 3' ournaled on the stem of the han- I DOUGLAS M.CAREY. die, the latter having a shoulder, the trans- Witnesses: versebar secured to the stem, and provided S. A. TERRY, with bent ends andthe plates adjustably at- 1 STORY B. LADD.

